CN212407324U - Self-sealing full complement cylindrical roller bearing - Google Patents
Self-sealing full complement cylindrical roller bearing Download PDFInfo
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- CN212407324U CN212407324U CN202021214259.3U CN202021214259U CN212407324U CN 212407324 U CN212407324 U CN 212407324U CN 202021214259 U CN202021214259 U CN 202021214259U CN 212407324 U CN212407324 U CN 212407324U
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Abstract
The utility model belongs to the technical field of bearing equipment makes, concretely relates to self-sealing formula full complement cylindrical roller bearing, include inner circle, outer lane and the roller that keeps between inner circle and outer lane, the both sides of outer lane internal diameter raceway are provided with the first fender shoulder of outer lane and the shoulder of outer lane second fender respectively, one side of inner circle external diameter raceway is provided with the inner circle flange, and the inner circle flange sets up through first sealing washer is sealed with the first fender shoulder of outer lane, and the opposite side of inner circle external diameter raceway is connected with the retaining ring, and the retaining ring sets up through the second sealing washer is sealed with outer lane second fender shoulder. The utility model discloses with cylindrical roller bearing's riveting brass holder cancellation, increase roller quantity and design into cylinder full complement roller bearing to it reaches 20% to increase the bearing and bear and life. Meanwhile, the original open structure is changed, a sealing ring and a check ring sealing protection structure is added, impurity intervention is avoided, volatilization and deterioration of lubricating grease are reduced, the lubricating roller path with better grease is provided, and maintenance-free performance within 1 year can be basically achieved in the life cycle of the product.
Description
Technical Field
The utility model belongs to the technical field of the bearing equipment is made, concretely relates to self-sealing formula full complement cylindrical roller bearing.
Background
The bearing is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduce the friction coefficient in its motion process and ensure its rotation precision. At present, most of the domestic cylindrical roller bearings adopt an open structure of a roller and a riveting brass retainer. The lubricating grease needs to be maintained and injected regularly after each use period, which is time-consuming and labor-consuming.
Disclosure of Invention
According to the defect that above-mentioned prior art exists, the utility model aims at providing a self-sealing formula full complement cylindrical roller bearing of new construction can have the performance that high bearing, high accuracy, high stability, high reliability and long-term non-maintaining.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a self-sealing formula full complement cylindrical roller bearing, includes inner circle, outer lane and keeps the roller between inner circle and outer lane, the both sides of outer lane internal diameter raceway are provided with the first fender shoulder of outer lane and the second fender shoulder of outer lane respectively, one side of inner circle external diameter raceway is provided with the inner circle flange, and the inner circle flange sets up through first sealing washer is sealed with the first fender shoulder of outer lane, and the opposite side of inner circle external diameter raceway is connected with the retaining ring, and the retaining ring sets up through the second sealing washer is sealed with the second fender shoulder of outer lane.
Furthermore, the inner ring flange is in clearance fit with the outer ring first shoulder, and a first sealing ring is arranged at the clearance between the inner ring flange and the outer ring first shoulder.
Furthermore, the check ring is in interference fit with the inner ring, the check ring is in clearance fit with the second outer ring check shoulder, and a second sealing ring is arranged at the clearance between the check ring and the second outer ring check shoulder.
Furthermore, the first outer ring retaining shoulder, the second outer ring retaining shoulder and the outer ring are integrally arranged.
Further, the inner ring rib and the inner ring are integrally arranged.
Furthermore, an overtravel groove is formed in a corner where the inner diameter of the outer ring is connected with the first retaining shoulder of the outer ring; an overtravel groove is formed at the corner where the inner diameter of the outer ring is connected with the second shoulder of the outer ring; and an overtravel groove is arranged at the corner where the outer diameter of the inner ring is connected with the rib of the inner ring.
Further, the inner side surfaces of the outer ring first retaining shoulder and the outer ring second retaining shoulder are respectively in contact fit with the end surfaces of the rollers.
Furthermore, the inner ring flange comprises a flange limiting part and a flange sealing part, the flange limiting part is in contact fit with the end face of the roller, the flange sealing part extends towards the outer ring direction, the flange sealing part is in clearance fit with the first flange shoulder of the outer ring, and the flange sealing part is in clearance fit with the end face of the roller.
Furthermore, the retaining ring comprises a retaining ring limiting portion and a retaining ring sealing portion, the retaining ring limiting portion is in interference fit with the inner ring, the retaining ring limiting portion extends towards the outer ring to form a retaining ring sealing portion, the retaining ring sealing portion is in clearance fit with the second retaining shoulder of the outer ring, and the retaining ring sealing portion is in clearance fit with the end face of the roller.
The utility model has the advantages that: the utility model discloses with cylindrical roller bearing's riveting brass holder cancellation, increase roller quantity and design into cylinder full complement roller bearing to it reaches 20% to increase the bearing and bear and life. Meanwhile, the original open structure is changed, a sealing ring and a check ring sealing protection structure is added, impurity intervention is avoided, volatilization and deterioration of lubricating grease are reduced, the lubricating roller path with better grease is provided, and maintenance-free performance within 1 year can be basically achieved in the life cycle of the product.
Drawings
FIG. 1 is a schematic structural diagram of the present application;
in the figure: 1. the anti-backlash device comprises an inner ring, 2, an outer ring, 3, a roller, 4, a first outer ring shoulder, 5, a second outer ring shoulder, 6, an inner ring rib, a rib limiting part, b, a rib sealing part, 7, a first sealing ring, 8, a retaining ring, c, a retaining ring sealing part, d, a retaining ring limiting part, 9, a second sealing ring, 10 and an overrun groove.
Detailed Description
In order to make the structure and function of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solution in the embodiments of the present invention.
Referring to the attached drawing 1, the self-sealing full-complement cylindrical roller bearing comprises an inner ring 1, an outer ring 2 and a roller 3 held between the inner ring and the outer ring, wherein a first outer ring retaining shoulder 4 and a second outer ring retaining shoulder 5 are respectively arranged on two sides of an inner diameter roller path of the outer ring, an inner ring retaining edge 6 is arranged on one side of an outer diameter roller path of the inner ring, the inner ring retaining edge 6 and the first outer ring retaining shoulder 4 are arranged in a sealing mode through a first sealing ring 7, a retaining ring 8 is connected to the other side of the outer diameter roller path of the inner ring, and the retaining ring 8 and the second outer ring retaining shoulder 5 are arranged in.
Based on above-mentioned technical scheme, the closed parcel of roller 3 is between inner ring 1 and outer lane 2, avoids roller 3 direct and air contact, reduces the entering of outside impurity.
Furthermore, the inner ring rib 6 is in clearance fit with the outer ring first rib 4, and a first sealing ring 7 is arranged at the clearance between the inner ring rib 6 and the outer ring first rib 4. The retainer ring 8 is in interference fit with the inner ring 1, the retainer ring 8 is in clearance fit with the outer ring second retaining shoulder 5, and a second sealing ring 9 is arranged at the clearance between the retainer ring 8 and the outer ring second retaining shoulder 5. The clearance fit ensures that the inner ring 1 and the outer ring 2 do not generate friction when the bearing works, and the sealing ring is arranged to ensure reliable sealing.
Furthermore, the outer ring first retaining shoulder 4, the outer ring second retaining shoulder 5 and the outer ring are integrally arranged. The inner ring rib 6 and the inner ring 1 are integrally arranged.
Furthermore, an overtravel groove 10 is arranged at the corner where the inner diameter of the outer ring is connected with the first retaining shoulder 4 of the outer ring; an overtravel groove 10 is arranged at the corner where the inner diameter of the outer ring is connected with the second shoulder 5 of the outer ring; and an overtravel groove 10 is arranged at the corner where the outer diameter of the inner ring is connected with the rib 6 of the inner ring.
Further, the inner side surfaces of the outer ring first retaining shoulder 4 and the outer ring second retaining shoulder 5 are respectively in contact fit with the end surfaces of the rollers 3. The inner ring flange 6 comprises a flange limiting part a and a flange sealing part b, the flange limiting part a is in contact fit with the end face of the roller, the flange sealing part b extends towards the outer ring direction from the flange limiting part a, the flange sealing part b is in clearance fit with the first flange shoulder 4 of the outer ring, and the flange sealing part b is in clearance fit with the end face of the roller. The retainer ring 8 comprises a retainer ring limiting portion d and a retainer ring sealing portion c, the retainer ring limiting portion d is in interference fit with the inner ring 1, the retainer ring limiting portion d extends towards the outer ring to form a retainer ring sealing portion c, the retainer ring sealing portion c is in clearance fit with the outer ring second shoulder 5, and the retainer ring sealing portion c is in clearance fit with the end face of the roller.
Based on the above technical scheme, the first shoulder 4 of outer lane, the second shoulder 5 of outer lane, the spacing portion an of flange and the spacing portion d of retaining ring carry out the axial spacing to roller 3, and the flange sealing portion b avoids producing the friction with the roller when retaining ring sealing portion c seals roller 3, influences the bearing operation.
The utility model discloses a self-sealing formula full complement cylindrical roller bearing has following advantage:
1. the bearing inner retainer is eliminated. The original cylindrical bearing adopts a riveted brass retainer, and has a complex structure and high processing cost. The original retainer design is cancelled, the number of rollers is increased, and the roller bearing is designed to be a cylindrical full-filling roller bearing, so that the bearing load is increased, and the service life is prolonged by 20%.
2. And the integral structure of the bearing is changed. Originally, the structure is open, and the roller directly contacts with air in the bearing assembly and use process. The sealing ring and the check ring sealing protection structure are added in the existing design, so that the impurity intervention is avoided, the volatilization and deterioration of lubricating grease are reduced, and the lubricating roller path with better grease can be basically free of maintenance within 1 year in the life cycle of a product.
The above list is only the preferred embodiment of the present invention. Obviously, the present invention is not limited to the above embodiments, and many modifications are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the invention should be considered as within the scope of the invention.
Claims (8)
1. The utility model provides a self-sealing formula full complement cylindrical roller bearing which characterized in that: the roller bearing comprises an inner ring, an outer ring and a roller held between the inner ring and the outer ring, wherein a first outer ring retaining shoulder and a second outer ring retaining shoulder are respectively arranged on two sides of an inner diameter roller path of the outer ring, an inner ring retaining edge is arranged on one side of an outer diameter roller path of the inner ring, the inner ring retaining edge and the first outer ring retaining shoulder are arranged in a sealing mode through a first sealing ring, a retaining ring is connected to the other side of the outer diameter roller path of the inner ring, and the retaining ring and the second outer ring retaining shoulder.
2. A self-sealing full complement cylindrical roller bearing according to claim 1, wherein: the inner ring flange is in clearance fit with the outer ring first shoulder, and a first sealing ring is arranged at the clearance between the inner ring flange and the outer ring first shoulder.
3. A self-sealing full complement cylindrical roller bearing according to claim 1, wherein: the check ring is in interference fit with the inner ring, the check ring is in clearance fit with the outer ring second stop shoulder, and a second sealing ring is arranged at the clearance between the check ring and the outer ring second stop shoulder.
4. A self-sealing full complement cylindrical roller bearing according to claim 1, wherein: the outer ring first retaining shoulder, the outer ring second retaining shoulder and the outer ring are integrally arranged.
5. A self-sealing full complement cylindrical roller bearing according to claim 1, wherein: an overtravel groove is formed at the corner where the inner diameter of the outer ring is connected with the first retaining shoulder of the outer ring; an overtravel groove is formed at the corner where the inner diameter of the outer ring is connected with the second shoulder of the outer ring; and an overtravel groove is arranged at the corner where the outer diameter of the inner ring is connected with the rib of the inner ring.
6. A self-sealing full complement cylindrical roller bearing according to claim 1, wherein: and the inner side surfaces of the outer ring first retaining shoulder and the outer ring second retaining shoulder are respectively in contact fit with the end surfaces of the rollers.
7. A self-sealing full complement cylindrical roller bearing according to claim 1, wherein: the inner ring flange comprises a flange limiting part and a flange sealing part, the flange limiting part is in contact fit with the end face of the roller, the flange limiting part extends towards the outer ring direction to form a flange sealing part, the flange sealing part is in clearance fit with a first flange shoulder of the outer ring, and the flange sealing part is in clearance fit with the end face of the roller.
8. A self-sealing full complement cylindrical roller bearing according to claim 1, wherein: the retaining ring comprises a retaining ring limiting portion and a retaining ring sealing portion, the retaining ring limiting portion is in interference fit with the inner ring, the retaining ring limiting portion extends towards the outer ring to form a retaining ring sealing portion, the retaining ring sealing portion is in clearance fit with the outer ring second retaining shoulder, and the retaining ring sealing portion is in clearance fit with the end face of the roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021214259.3U CN212407324U (en) | 2020-06-28 | 2020-06-28 | Self-sealing full complement cylindrical roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021214259.3U CN212407324U (en) | 2020-06-28 | 2020-06-28 | Self-sealing full complement cylindrical roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212407324U true CN212407324U (en) | 2021-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021214259.3U Active CN212407324U (en) | 2020-06-28 | 2020-06-28 | Self-sealing full complement cylindrical roller bearing |
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| CN (1) | CN212407324U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111649062A (en) * | 2020-06-28 | 2020-09-11 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Self-sealing full complement cylindrical roller bearing |
-
2020
- 2020-06-28 CN CN202021214259.3U patent/CN212407324U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111649062A (en) * | 2020-06-28 | 2020-09-11 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Self-sealing full complement cylindrical roller bearing |
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